How to make a easy battery eliminator

Here i make a 9v battery eliminator

parts list:

1) 9-0-9 transformer ( bye transformer  as you want ex= If your  need is 3v bye 3-0-3 trasformer

2) 1N 4007 diode x2

3) 1000mf/ 25v capacitor

4)  wire,cabinet box


it is not bridge rectifier so we use only two diode


circuit diagram ----




please watch making  video


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